+#define AVAHI_DBUS_ERR_INVALID_OBJECT "org.freedesktop.Avahi.InvalidObjectError"
+#define AVAHI_DBUS_ERR_NO_DAEMON "org.freedesktop.Avahi.NoDaemonError"
+
+/** Convert a DBus error string into an Avahi error number */
+int avahi_error_dbus_to_number(const char *s);